<?php
/**
 * Created by PhpStorm.
 * User: gc
 * Date: 2018/1/10
 * Time: 20:18
 */

namespace Builder;

/**
 * 冷饮抽象类
 * Class CodeDrinkAb
 * @package Builder
 */
abstract class CodeDrinkAb implements ItemInter
{
    function packing(): PackingInter
    {
        return new Bottle();
    }

    abstract function price(): float;
}